Lysosome an interior pH of about 4.5–5.0

TLS Online TPP Program

#Id: 8359

#Section 3: Genetics, Cellular and Molecular Biology

In Golgi complex

Arp2/3-dependent assembly of actin occur by an NPF WHAMM participating in membrane traffic from the ER to golgi

TLS Online TPP Program

#Id: 8358

#Section 3: Genetics, Cellular and Molecular Biology

On Endosomes 

Arp2/3-dependent nucleation of actin filament by An NPF is WASH

TLS Online TPP Program

#Id: 8357

#Section 3: Genetics, Cellular and Molecular Biology

VASP 

has a proline-rich

hold onto the end of the newly formed filament

protect the end of the growing filament from CapZ

TLS Online TPP Program

#Id: 8356

#Section 3: Genetics, Cellular and Molecular Biology

ActA protein binds the host protein VASP, which enhance actin assembly and confine it to the rear of the bacterium.

TLS Online TPP Program

#Id: 8354

#Section 3: Genetics, Cellular and Molecular Biology

Listeria is a food-borne bacterial pathogen has on its surface a protein ActA, which mimics an NPF that efficiently activates the Arp2/3 complex.

TLS Online TPP Program

#Id: 8353

#Section 3: Genetics, Cellular and Molecular Biology

A second NPF is a large protein complex called WAVE

and requires small GTP-binding protein Rac1.